"So blood is the only thing they eat. So we didn't have to worry that maybe they'd eaten some fruit earlier in the day, that's not part of their diet. So they would have exclusively eaten blood the ...

For vampire bats, regurgitating blood into a roostmate's mouth is a sign of ultimate trust. It's a risky strategy for the creatures, who don't know if donating their food will be reciprocated. Vampire ...

WASHINGTON — Scientists have figured out why vampire bats are the only mammals that can survive on a diet of just blood. The bats live in South and Central America and are basically “living Draculas,” ...

Humans are often happy to share food with their friends, but what about animals? Contrary to their reputation, vampire bats are surprisingly social and generous, and a well-fed bat will even ...

Despite keeping mosquito populations down and helping to pollinate more than 700 different crops, bats in general get a pretty bad rap -- though it’s tough to say if seeing one running helps or ...

Parasites are incredibly diverse. Here’s why they matter. Parasites are incredibly diverse. Here’s why they matter. Vampire Bats Survive by Only Eating Blood—Now We Know How Vampire Bats Survive by ...

Vampire bats may have earned their name, as the Smithsonian Channel describes them... (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED COMMENTATOR: Vampire bats are the only bats in the world that feed ...

Let's say you're a vampire bat, and you are trying to decide where to bite your victim. You want a spot rich in blood, right? But how do you find such a spot? Turns out, vampire bats have a kind of ...